tracing

package

v0.5.0 Latest Latest Go to latest Published: May 3, 2022 License: MIT Imports: 7 Imported by: 0

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func Duration(k string, d time.Duration) log.Field

Duration returns a log field containing a human-readable representation of d.

func LogError(ctx context.Context, err error, fields ...log.Field)

LogError logs an error to the span in ctx, if one is present. The span is also marked as an error.

func LogErrorS(s opentracing.Span, err error, fields ...log.Field)

LogErrorS logs an error to span and marks it as an error, if it is not nil.

func LogEvent(ctx context.Context, ev string, msg string, fields ...log.Field)

LogEvent logs an event to the span in ctx, if one is present.

func LogEventS(s opentracing.Span, ev string, msg string, fields ...log.Field)

LogEventS logs an event to span, if it is not nil.

func SetTag(ctx context.Context, k string, v interface{})

SetTag sets a tag on the span in ctx, if one is present.

func SetTagS(s opentracing.Span, k string, v interface{})

SetTagS sets a tag on s, if it is not nil.

func StartChildOf(
	ctx context.Context,
	tr opentracing.Tracer,
	op string,
	opts ...opentracing.StartSpanOption,
) opentracing.Span

StartChildOf starts a new span as a child of the span in ctx, if any.

func StartFollowsFrom(
	ctx context.Context,
	tr opentracing.Tracer,
	op string,
	opts ...opentracing.StartSpanOption,
) opentracing.Span

StartFollowsFrom starts a new span that follows from the span in ctx, if any.

func StartSpan(
	tr opentracing.Tracer,
	op string,
	opts ...opentracing.StartSpanOption,
) opentracing.Span

StartSpan starts a new span using tr, or a NoopTracer if tr is nil.

func Time(k string, t time.Time) log.Field

Time returns a log field containing a human-readable representation of t.

func TypeName(k string, v interface{}) log.Field

TypeName returns a log field containing the name of v's type.

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